121098241 has 4 divisors (see below), whose sum is σ = 132107184. Its totient is φ = 110089300.

The previous prime is 121098227. The next prime is 121098253. The reversal of 121098241 is 142890121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121098241 - 2⁵ = 121098209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121098221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5504455 + ... + 5504476.

It is an arithmetic number, because the mean of its divisors is an integer number (33026796).

Almost surely, 2^121098241 is an apocalyptic number.

121098241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121098241 is a deficient number, since it is larger than the sum of its proper divisors (11008943).

121098241 is a wasteful number, since it uses less digits than its factorization.

121098241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11008942.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 121098241 is about 11004.4645939728. The cubic root of 121098241 is about 494.7425672260.

The spelling of 121098241 in words is "one hundred twenty-one million, ninety-eight thousand, two hundred forty-one".